Bottom End

Each kit includes cam plate roller bearings, Koyo Torrington® full roller inner needle bearings, 12-point ARP® camshaft and crankshaft bolts, ARP® fastener moly paste and Loctite® compound and...

Made in the U.S.A.

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in...

2-stoke pistons include piston, rings, pin and clipsPiston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance4032 T6 Forged Aluminum...

Solves the problem of oil carryover in Twin Cam "A" motors with stock oil pumpOil carryover is oil that comes out of your breather and all over your bikeEasy-to-install when changing cams or...

Connecting Rod Kit contains all parts needed for crankshaft rebuildDesigned to fit OEM bearing and crank pinShot peened for ultimate strength and long life8620 forged alloyFEA (computer simulation)...

Connecting Rod Kit - Standard - Yamaha P4085 Yamaha -- YZ 450 F -- (2022, 2021, 2020); Yamaha -- YZ 450 F Monster Energy -- (2022, 2021); Yamaha -- YZ 450 FX -- (2023, 2022, 2021); Yamaha -- WR 450 F...

Connecting Rod Kit contains all parts needed for crankshaft rebuildDesigned to fit OEM bearing and crank pinShot peened for ultimate strength and long life8620 forged alloyFEA (computer simulation)...

Connecting Rod Kit contains all parts needed for crankshaft rebuildDesigned to fit OEM bearing and crank pinShot peened for ultimate strength and long life8620 forged alloyFEA (computer simulation)...

Connecting Rod Kit contains all parts needed for crankshaft rebuildDesigned to fit OEM bearing and crank pinShot peened for ultimate strength and long life8620 forged alloyFEA (computer simulation)...

Connecting Rod Kit contains all parts needed for crankshaft rebuildDesigned to fit OEM bearing and crank pinShot peened for ultimate strength and long life8620 forged alloyFEA (computer simulation)...

Connecting Rod Kit contains all parts needed for crankshaft rebuildDesigned to fit OEM bearing and crank pinShot peened for ultimate strength and long life8620 forged alloyFEA (computer simulation)...